Kazuosa Kuma
40Patents
12h-index
45Co-inventors
77Inventor score
Filing activity: Sep 12, 2003 → Oct 3, 2014
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7321744B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 89 | Expired |
| US7480476B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 86 | Active |
| US7519317B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 62 | Active |
| US8005406B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 59 | Active |
| US7835673B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 56 | Active |
| US7697870B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 53 | Active |
| US8195070B2 | Developer container, developer supplying device, and image forming apparatus | Emerging Cross-Sectional Technologies | 47 | Active |
| US6898407B2 | Desktop color image forming apparatus and method of making the same | Physics | 34 | Expired |
| US7447469B2 | Image forming device and mounting member for mounting a toner container thereon | Physics | 31 | Expired |
| US7215907B2 | Method and apparatus for image forming capable of effectively eliminating color displacements | Physics | 18 | Expired |
| US7016629B2 | Image forming apparatus with discharging unit of increased capacity | Physics | 17 | Expired |
| US7181152B2 | Image forming apparatus for reliably holding attachable units | Physics | 17 | Expired |
| US7509073B2 | Image forming apparatus and belt unit | Physics | 12 | Active |
| US6970665B2 | Image forming apparatus with detachable power-requiring unit | Emerging Cross-Sectional Technologies | 10 | Expired |
| US7263309B2 | Desktop color image forming apparatus and method of making the same | Physics | 9 | Expired |
| US7627268B2 | Image forming apparatus capable of providing a stable belt movement in a belt unit | Physics | 8 | Active |
| US7899386B2 | Image forming apparatus and guide therefor capable of reducing toner scattered on recording medium | Physics | 7 | Active |
| US7499665B2 | Belt device including an annular belt, and an image forming apparatus for detection of rotational angular speed or rotational angular displacement | Physics | 7 | Active |
| US7933546B2 | Lubricant applying device and image forming apparatus | Physics | 7 | Active |
| US7174121B2 | Apparatus for image forming and image developing with an improvement of toner container holding | Emerging Cross-Sectional Technologies | 7 | Expired |
| US7400851B2 | Image forming apparatus with pressure applying members that apply pressure to support shafts | Physics | 6 | Expired |
| US7333749B2 | Desktop color image forming apparatus and method of making the same | Physics | 5 | Active |
| US7885588B2 | Transfer assembly and image forming apparatus including same | Physics | 5 | Active |
| US7609998B2 | Transfer unit and image forming apparatus | Physics | 5 | Active |
| US7848692B2 | Neutralization unit and image forming apparatus having a neutralization unit for removing electric charge | Physics | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.